The footage shows five hostages being murdered as the toddler is heard saying in English, "We are going to kill the kafir (non-believers) over there," while he points into the distance.
His mother, Grace 'Khadijah' Dare left the UK for Syria to become a jihadi bride in 2012 after converting to Islam. She married a Swedish man called Abu Baker, who is since believed to have been killed.
Child in Isil video has now been identified as Isa Dare, the son of Grace Dare a Jihadi bride from Lewisham pic.twitter.com/1fqIXWaOWt— Belfast Child (@bfchild66) January 5, 2016
The child featured in the video has been identified by his grandfather who told Channel 4 news in Britain that he recognized the boy and condemned the footage. Sunday Dare, said: "It's propaganda; they are just using a small boy. He doesn't know anything. They are just using him as a shield."
London Mayor Boris Johnson has said the child whose face is featured in almost every British newspaper and online news website, "should be brought back to the UK and taken into care."
Boris Johnson on Jihadi child conscript Isa Dare; 'This is child abuse, no question at all.' @itvlondon— Simon Harris (@simonharrisitv) January 5, 2016
Lewisham council said: "We are unable to confirm the identity of the boy in the video. The matter is clearly one on which the police are leading. The council is liaising with the police and we are deeply concerned about any suggestion of a link between these abhorrent acts and our community."
Children have featured before in Daesh propaganda videos — but it's believed this is the first time a young boy with links to Britain has been used in a film.
Britain's security services have identified 750 Britons who have fled the UK to join Daesh militants, their focus remains on finding the ones who have returned, while the debate over the revelation of the identity of the junior jihadi fighter — or child victim — continues